{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "adverse event", "arguments": ["Subject.Gender", "Treatment.Drug", "Subject", "Treatment", "Subject.Population", "Combination.Drug", "Treatment.Route", "Effect", "Treatment.Time_elapsed", "Subject.Disorder", "Treatment.Disorder", "Treatment.Dosage", "Treatment.Freq", "Subject.Age", "Treatment.Duration", "Subject.Race"]}], "input": "A 52 year-old male patient diagnosed of ankylosing spondylitis presented with an iron deficiency anemia after a ten-month treatment of methotrexate."}
{"adverse event": [{"Subject.Gender": "male", "Treatment.Drug": "methotrexate", "Subject": "A 52 year-old male patient diagnosed of ankylosing spondylitis", "Treatment": "a ten-month treatment of methotrexate", "Subject.Population": "NAN", "Combination.Drug": "NAN", "Treatment.Route": "NAN", "Effect": "an iron deficiency anemia", "Treatment.Time_elapsed": "ten-month", "Subject.Disorder": "NAN", "Treatment.Disorder": "ankylosing spondylitis", "Treatment.Dosage": "NAN", "Treatment.Freq": "NAN", "Subject.Age": "52 year-old", "Treatment.Duration": "NAN", "Subject.Race": "NAN"}]}